UPSC Civil Services Model Paper 2

● Cancer :
◦ Cancer is a disease caused when there is an uncontrollable division of cells and spread into surrounding tissues.
◦ Cancer is caused by changes in DNA.
◦ Most cancer-causing DNA changes occur in sections of DNA called genes.
◦ These changes are also called genetic changes.
It is an acute disease.
● Elephantiasis :
◦ It is also known as lymphatic filariasis.
◦ The disease is caused by the filarial worm and can spread from person to person through mosquitoes.
◦ It causes extreme swelling in the arms and legs.
◦ It is also an acute disease.
● Diabetes :
◦ It is a chronic disease that occurs when the pancreas does not produce enough insulin or when the body does not respond appropriately to insulin.
→ Insulin is a hormone that regulates blood sugar.